ilUserSearchCache Class Reference

Class for storing search result. More...

Collaboration diagram for ilUserSearchCache:

Public Member Functions
	isAnonymous ()
	Check if current user is anonymous user.
	switchSearchType ($a_type)
	switch to search type reads entries from database
	getResults ()
	Get results.
	setResults ($a_results)
	Set results.
	addResult ($a_result_item)
	Append result.
	appendToFailed ($a_ref_id)
	Append failed id.
	isFailed ($a_ref_id)
	check if reference has failed access
	appendToChecked ($a_ref_id, $a_obj_id)
	Append checked id.
	isChecked ($a_ref_id)
	Check if reference was already checked.
	getCheckedItems ()
	Get all checked items.
	setResultPageNumber ($a_number)
	Set result page number.
	getResultPageNumber ()
	get result page number
	setQuery ($a_query)
	set query
	getQuery ()
	get query
	getUrlEncodedQuery ()
	Urlencode query for further use in e.g glossariers (highlighting off search terms).
	setRoot ($a_root)
	set root node of search
	getRoot ()
	get root node
	setItemFilter ($a_filter)
	getItemFilter ()
	deleteCachedEntries ()
	delete cached entries
	deleteCachedEntriesAnonymous ()
	Delete cached entries for anonymous user.
	delete ()
	Delete user entries.
	save ()
	Save entries.
	saveForAnonymous ()

Static Public Member Functions
static	_getInstance ($a_usr_id)
	Get singleton instance.

Data Fields
const	DEFAULT_SEARCH = 0
const	ADVANCED_SEARCH = 1
const	SHOP_CONTENT = 2
const	SHOP_ADVANCED_SEARCH = 3
const	ADVANCED_MD_SEARCH = 4
const	LUCENE_DEFAULT = 5
const	LUCENE_ADVANCED = 6
const	LAST_QUERY = 7

Private Member Functions
	__construct ($a_usr_id)
	Constructor.
	read ()
	Read user entries.
	readAnonymous ()
	Read from session for anonymous user.

Private Attributes
	$db
	$usr_id
	$search_type = self::DEFAULT_SEARCH
	$search_result = array()
	$checked = array()
	$failed = array()
	$page_number = 1
	$query
	$root = ROOT_FOLDER_ID
	$item_filter = array()
	$isAnonymous = false

Static Private Attributes
static	$instance = null

Detailed Description

Class for storing search result.

Allows paging of result sets

Author

Stefan Meyer meyer.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version

$Id$

Definition at line 35 of file class.ilUserSearchCache.php.

Constructor & Destructor Documentation

ilUserSearchCache::__construct (   $a_usr_id )

private

Constructor.

private

Definition at line 71 of file class.ilUserSearchCache.php.

References DEFAULT_SEARCH, isAnonymous(), and read().

        {
                global $ilDB;

                if($a_usr_id == ANONYMOUS_USER_ID)
                {
                        $this->isAnonymous = true;
                }
                
                $this->db = $ilDB;
                $this->usr_id = $a_usr_id;
                $this->search_type = self::DEFAULT_SEARCH;
                $this->read();
        }

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Member Function Documentation

static ilUserSearchCache::_getInstance (   $a_usr_id )

static

Get singleton instance.

public

Parameters

int

usr_id

Definition at line 94 of file class.ilUserSearchCache.php.

References $instance.

Referenced by ilLuceneSearchResultFilter\__construct(), ilObjGlossarySubItemListGUI\getHTML(), ilLMPresentationGUI\ilPage(), ilShopResultPresentationGUI\ilShopResultPresentationGUI(), ilLuceneAdvancedSearchGUI\initUserSearchCache(), ilLuceneSearchGUI\initUserSearchCache(), ilSearchResult\initUserSearchCache(), ilSearchGUI\initUserSearchCache(), ilAdvancedSearchGUI\initUserSearchCache(), ilGlossaryPresentationGUI\listDefinitions(), and ilWikiPageGUI\preview().

        {
                if(is_object(self::$instance) and self::$instance)
                {
                        return self::$instance;
                }
                return self::$instance = new ilUserSearchCache($a_usr_id);
        }

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ilUserSearchCache::addResult

(

$a_result_item

)

Append result.

public

Parameters

array(int,int,string)

array(ref_id,obj_id,type)

Definition at line 157 of file class.ilUserSearchCache.php.

        {
                $this->search_result[$a_result_item['ref_id']]['ref_id'] = $a_result_item['ref_id'];
                $this->search_result[$a_result_item['ref_id']]['obj_id'] = $a_result_item['obj_id'];
                $this->search_result[$a_result_item['ref_id']]['type'] = $a_result_item['type'];
                return true;
        }

ilUserSearchCache::appendToChecked	(		$a_ref_id,
			$a_obj_id
	)

Append checked id.

public

Parameters

int	checked reference id
int	checked obj_id

Definition at line 197 of file class.ilUserSearchCache.php.

        {
                $this->checked[$a_ref_id] = $a_obj_id;
        }

ilUserSearchCache::appendToFailed

(

$a_ref_id

)

Append failed id.

public

Parameters

int	ref_id of failed access

Definition at line 172 of file class.ilUserSearchCache.php.

        {
                $this->failed[$a_ref_id] = $a_ref_id;
        }

ilUserSearchCache::delete

(

)

Delete user entries.

public

Definition at line 391 of file class.ilUserSearchCache.php.

References $query, $res, and read().

        {
                global $ilDB;

                $query = "DELETE FROM usr_search ".
                        "WHERE usr_id = ".$this->db->quote($this->usr_id ,'integer')." ".
                        "AND search_type = ".$this->db->quote($this->search_type ,'integer');
                $res = $ilDB->manipulate($query);
                
                $this->read();
                return true;
        }

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ilUserSearchCache::deleteCachedEntries

(

)

delete cached entries

Parameters

@return

Definition at line 321 of file class.ilUserSearchCache.php.

References $query, $res, $row, DB_FETCHMODE_OBJECT, deleteCachedEntriesAnonymous(), isAnonymous(), and setResultPageNumber().

        {
                global $ilDB;

                if($this->isAnonymous())
                {
                        return $this->deleteCachedEntriesAnonymous();
                }

                
                $query = "SELECT COUNT(*) num FROM usr_search ".
                        "WHERE usr_id = ".$ilDB->quote($this->usr_id,'integer')." ".
                        "AND search_type = ".$ilDB->quote($this->search_type,'integer');
                $res = $ilDB->query($query);
                $row = $res->fetchRow(DB_FETCHMODE_OBJECT);
                
                if($row->num > 0)
                {
                        $ilDB->update('usr_search',
                                array(
                                        'search_result' => array('clob',serialize(array(0))),
                                        'checked'               => array('clob',serialize(array(0))),
                                        'failed'                => array('clob',serialize(array(0))),
                                        'page'                  => array('integer',0)),
                                array(
                                        'usr_id'                => array('integer',(int) $this->usr_id),
                                        'search_type'   => array('integer',(int) $this->search_type)
                        ));                     
                }
                else
                {
                        $ilDB->insert('usr_search',
                                array(
                                        'search_result' => array('clob',serialize(array(0))),
                                        'checked'               => array('clob',serialize(array(0))),
                                        'failed'                => array('clob',serialize(array(0))),
                                        'page'                  => array('integer',0),
                                        'usr_id'                => array('integer',(int) $this->usr_id),
                                        'search_type'   => array('integer',(int) $this->search_type)
                        ));                     
                }
                
                $this->setResultPageNumber(1);
                $this->search_result = array();
                $this->checked = array();
                $this->failed = array();
        }

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ilUserSearchCache::deleteCachedEntriesAnonymous

(

)

Delete cached entries for anonymous user.

Returns

bool

Definition at line 373 of file class.ilUserSearchCache.php.

References setResultPageNumber().

Referenced by deleteCachedEntries().

        {
                $this->setResultPageNumber(1);
                $this->search_result = array();
                $this->checked = array();
                $this->failed = array();

                return true;
        }

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ilUserSearchCache::getCheckedItems

(

)

Get all checked items.

public

Returns

array array(ref_id => obj_id)

Definition at line 221 of file class.ilUserSearchCache.php.

        {
                return $this->checked ? $this->checked : array();
        }

ilUserSearchCache::getItemFilter

(

)

Definition at line 311 of file class.ilUserSearchCache.php.

References $item_filter.

Referenced by save(), and saveForAnonymous().

        {
                return (array) $this->item_filter;
        }

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ilUserSearchCache::getQuery

(

)

get query

Returns

Definition at line 266 of file class.ilUserSearchCache.php.

References $query.

Referenced by getUrlEncodedQuery(), save(), and saveForAnonymous().

        {
                return $this->query;
        }

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ilUserSearchCache::getResultPageNumber

(

)

get result page number

public

Definition at line 246 of file class.ilUserSearchCache.php.

        {
                return $this->page_number ? $this->page_number : 1; 
        }

ilUserSearchCache::getResults

(

)

Get results.

public

Definition at line 133 of file class.ilUserSearchCache.php.

        {
                return $this->search_result ? $this->search_result : array();
        }

ilUserSearchCache::getRoot

(

)

get root node

Returns

Definition at line 301 of file class.ilUserSearchCache.php.

Referenced by save(), and saveForAnonymous().

        {
                return $this->root ? $this->root : ROOT_FOLDER_ID;
        }

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ilUserSearchCache::getUrlEncodedQuery

(

)

Urlencode query for further use in e.g glossariers (highlighting off search terms).

Returns

Definition at line 275 of file class.ilUserSearchCache.php.

References $query, and getQuery().

        {
                if(is_array($this->getQuery()))
                {
                        $query = $this->getQuery();
                        
                        return urlencode(str_replace('"', '.', $query['lom_content']));
                }
                return urlencode(str_replace('"', '.', $this->getQuery()));
        }

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ilUserSearchCache::isAnonymous

(

)

Check if current user is anonymous user.

Returns

bool

Definition at line 107 of file class.ilUserSearchCache.php.

References $isAnonymous.

Referenced by __construct(), deleteCachedEntries(), read(), and save().

        {
                return $this->isAnonymous;
        }

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ilUserSearchCache::isChecked

(

$a_ref_id

)

Check if reference was already checked.

public

Parameters

int

ref_id

Definition at line 209 of file class.ilUserSearchCache.php.

        {
                return array_key_exists($a_ref_id,$this->checked) and $this->checked[$a_ref_id];
        }

ilUserSearchCache::isFailed

(

$a_ref_id

)

check if reference has failed access

public

Parameters

int

ref_id

Definition at line 184 of file class.ilUserSearchCache.php.

        {
                return in_array($a_ref_id,$this->failed) ? true : false;
        }

ilUserSearchCache::read ( )

private

Read user entries.

private

Definition at line 472 of file class.ilUserSearchCache.php.

References $query, $res, $row, DB_FETCHMODE_OBJECT, isAnonymous(), readAnonymous(), setItemFilter(), setQuery(), and setRoot().

Referenced by __construct(), delete(), and switchSearchType().

        {
                $this->failed = array();
                $this->checked = array();
                $this->search_result = array();
                $this->page_number = 0;

                if($this->isAnonymous())
                {
                        return $this->readAnonymous();
                }

                $query = "SELECT * FROM usr_search ".
                        "WHERE usr_id = ".$this->db->quote($this->usr_id ,'integer')." ".
                        "AND search_type = ".$this->db->quote($this->search_type ,'integer');
                
                $res = $this->db->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $this->search_result = unserialize(stripslashes($row->search_result));
                        if(strlen($row->checked))
                        {
                                $this->checked = unserialize(stripslashes($row->checked));
                        }
                        if(strlen($row->failed))
                        {       
                                $this->failed = unserialize(stripslashes($row->failed));
                        }
                        $this->page_number = $row->page;
                        $this->setQuery(unserialize($row->query));
                        $this->setRoot($row->root);
                        $this->setItemFilter(unserialize($row->item_filter));
                }
                return true;                    
        }

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ilUserSearchCache::readAnonymous ( )

private

Read from session for anonymous user.

Definition at line 511 of file class.ilUserSearchCache.php.

References $_SESSION, $search_type, setItemFilter(), setQuery(), and setRoot().

Referenced by read().

        {
                $this->search_result = (array) $_SESSION['usr_search_cache'][$this->search_type]['search_result'];
                $this->checked = (array) $_SESSION['usr_search_cache'][$this->search_type]['checked'];
                $this->failed = (array) $_SESSION['usr_search_cache'][$this->search_type]['failed'];
                $this->page_number = $_SESSION['usr_search_cache'][$this->search_type]['page_number'];

                $this->setQuery((string) $_SESSION['usr_search_cache'][$this->search_type]['query']);
                $this->setRoot((string) $_SESSION['usr_search_cache'][$this->search_type]['root']);
                $this->setItemFilter((array) $_SESSION['usr_search_cache'][$this->search_type]['item_filter']);

                return true;
        }

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ilUserSearchCache::save

(

)

Save entries.

public

Definition at line 410 of file class.ilUserSearchCache.php.

References $ilLog, $query, $res, getItemFilter(), getQuery(), getRoot(), isAnonymous(), and saveForAnonymous().

        {
                global $ilDB,$ilLog;
                
                if($this->isAnonymous())
                {
                        return $this->saveForAnonymous();
                }

                $query = "DELETE FROM usr_search ".
                        "WHERE usr_id = ".$ilDB->quote($this->usr_id ,'integer')." ".
                        "AND ( search_type = ".$ilDB->quote($this->search_type ,'integer').' '.
                        "OR search_type = ".$ilDB->quote(self::LAST_QUERY,'integer'). ')';
                $res = $ilDB->manipulate($query);
                
                $ilDB->insert('usr_search',array(
                        'usr_id'                => array('integer',(int) $this->usr_id),
                        'search_result' => array('clob',serialize($this->search_result)),
                        'checked'               => array('clob',serialize($this->checked)),
                        'failed'                => array('clob',serialize($this->failed)),
                        'page'                  => array('integer',(int) $this->page_number),
                        'search_type'   => array('integer',(int) $this->search_type),
                        'query'                 => array('clob',serialize($this->getQuery())),
                        'root'                  => array('integer',$this->getRoot()),
                        'item_filter'   => array('text',serialize($this->getItemFilter()))));
                        
                        
                // Write last query information
                $ilDB->insert('usr_search',
                        array(
                                'usr_id'                => array('integer',$this->usr_id),
                                'search_type'   => array('integer',self::LAST_QUERY),
                                'query'                 => array('text',serialize($this->getQuery()))
                        )
                );
        }

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ilUserSearchCache::saveForAnonymous

(

)

Definition at line 447 of file class.ilUserSearchCache.php.

References $_SESSION, $checked, $failed, $page_number, $search_result, $search_type, getItemFilter(), getQuery(), getRoot(), and LAST_QUERY.

Referenced by save().

        {
                unset($_SESSION['usr_search_cache']);

                $_SESSION['usr_search_cache'][$this->search_type]['search_result'] = $this->search_result;
                $_SESSION['usr_search_cache'][$this->search_type]['checked'] =  $this->checked;
                $_SESSION['usr_search_cache'][$this->search_type]['failed'] =  $this->failed;
                $_SESSION['usr_search_cache'][$this->search_type]['page'] =  $this->page_number;
                $_SESSION['usr_search_cache'][$this->search_type]['query'] =  $this->getQuery();
                $_SESSION['usr_search_cache'][$this->search_type]['root'] =  $this->getRoot();
                $_SESSION['usr_search_cache'][$this->search_type]['item_filter'] =  $this->getItemFilter();

                $_SESSION['usr_search_cache'][self::LAST_QUERY]['query'] =  $this->getQuery();

                return true;

        }

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ilUserSearchCache::setItemFilter

(

$a_filter

)

Definition at line 306 of file class.ilUserSearchCache.php.

Referenced by read(), and readAnonymous().

        {
                $this->item_filter = $a_filter;
        }

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ilUserSearchCache::setQuery

(

$a_query

)

set query

Parameters

mixed

query string or array (for advanced search)

Returns

Definition at line 256 of file class.ilUserSearchCache.php.

Referenced by read(), and readAnonymous().

        {
                $this->query = $a_query;
        }

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ilUserSearchCache::setResultPageNumber

(

$a_number

)

Set result page number.

public

Definition at line 232 of file class.ilUserSearchCache.php.

Referenced by deleteCachedEntries(), and deleteCachedEntriesAnonymous().

        {
                if($a_number)
                {
                        $this->page_number = $a_number;
                }
        }

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ilUserSearchCache::setResults

(

$a_results

)

Set results.

public

Parameters

array(int

=> array(int,int,string)) array(ref_id => array(ref_id,obj_id,type))

Definition at line 145 of file class.ilUserSearchCache.php.

        {
                $this->search_result = $a_results;
        }

ilUserSearchCache::setRoot

(

$a_root

)

set root node of search

Parameters

int

root id

Returns

Definition at line 291 of file class.ilUserSearchCache.php.

Referenced by read(), and readAnonymous().

        {
                $this->root = $a_root;
        }

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ilUserSearchCache::switchSearchType

(

$a_type

)

switch to search type reads entries from database

public

Parameters

int	search type

Definition at line 120 of file class.ilUserSearchCache.php.

References read().

        {
                $this->search_type = $a_type;
                $this->read();
                return true;
        }

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Field Documentation

ilUserSearchCache::$checked = array()

private

Definition at line 54 of file class.ilUserSearchCache.php.

Referenced by saveForAnonymous().

ilUserSearchCache::$db

private

Definition at line 48 of file class.ilUserSearchCache.php.

ilUserSearchCache::$failed = array()

private

Definition at line 55 of file class.ilUserSearchCache.php.

Referenced by saveForAnonymous().

ilUserSearchCache::$instance = null

staticprivate

Definition at line 47 of file class.ilUserSearchCache.php.

Referenced by _getInstance().

ilUserSearchCache::$isAnonymous = false

private

Definition at line 62 of file class.ilUserSearchCache.php.

Referenced by isAnonymous().

ilUserSearchCache::$item_filter = array()

private

Definition at line 60 of file class.ilUserSearchCache.php.

Referenced by getItemFilter().

ilUserSearchCache::$page_number = 1

private

Definition at line 56 of file class.ilUserSearchCache.php.

Referenced by saveForAnonymous().

ilUserSearchCache::$query

private

Definition at line 57 of file class.ilUserSearchCache.php.

Referenced by delete(), deleteCachedEntries(), getQuery(), getUrlEncodedQuery(), read(), and save().

ilUserSearchCache::$root = ROOT_FOLDER_ID

private

Definition at line 58 of file class.ilUserSearchCache.php.

ilUserSearchCache::$search_result = array()

private

Definition at line 53 of file class.ilUserSearchCache.php.

Referenced by saveForAnonymous().

ilUserSearchCache::$search_type = self::DEFAULT_SEARCH

private

Definition at line 51 of file class.ilUserSearchCache.php.

Referenced by readAnonymous(), and saveForAnonymous().

ilUserSearchCache::$usr_id

private

Definition at line 50 of file class.ilUserSearchCache.php.

const ilUserSearchCache::ADVANCED_MD_SEARCH = 4

Definition at line 41 of file class.ilUserSearchCache.php.

Referenced by ilAdvancedSearchGUI\initSearchType().

const ilUserSearchCache::ADVANCED_SEARCH = 1

Definition at line 38 of file class.ilUserSearchCache.php.

Referenced by ilAdvancedSearchGUI\initSearchType(), and ilAdvancedSearchGUI\initUserSearchCache().

const ilUserSearchCache::DEFAULT_SEARCH = 0

Definition at line 37 of file class.ilUserSearchCache.php.

Referenced by __construct(), and ilSearchGUI\initUserSearchCache().

const ilUserSearchCache::LAST_QUERY = 7

Definition at line 45 of file class.ilUserSearchCache.php.

Referenced by ilLMPresentationGUI\ilPage(), ilGlossaryPresentationGUI\listDefinitions(), ilWikiPageGUI\preview(), and saveForAnonymous().

const ilUserSearchCache::LUCENE_ADVANCED = 6

Definition at line 43 of file class.ilUserSearchCache.php.

Referenced by ilLuceneAdvancedSearchGUI\initUserSearchCache().

const ilUserSearchCache::LUCENE_DEFAULT = 5

Definition at line 42 of file class.ilUserSearchCache.php.

Referenced by ilLuceneSearchGUI\initUserSearchCache().

const ilUserSearchCache::SHOP_ADVANCED_SEARCH = 3

Definition at line 40 of file class.ilUserSearchCache.php.

const ilUserSearchCache::SHOP_CONTENT = 2

Definition at line 39 of file class.ilUserSearchCache.php.

---

The documentation for this class was generated from the following file:

• Services/Search/classes/class.ilUserSearchCache.php